Open a project or solution
To open a WPF project
On the File menu, click Open, and then click Project/Solution, and then browse to the project (.csproj or .vbproj) or solution (.sln) file that you want to open.
Select the project or solution file, and then click Open.
To open a Silverlight 1.0 project
To open a Silverlight 2 project
To open a recently edited project
On the File menu, click Recent Projects. The ten most recently edited projects appear in a list.
Select a project from the list.
Tip
You can also open a recently edited project by using the Projects tab on the Welcome Screen (Help menu).